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Statistics: Confidence Intervals Classroom ActivitiesDownload
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Estimating a Population Proportion

Students find the confidence interval for a population proportion by first finding the critical value and the margin of error.
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    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
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    TI-84 Plus CE Family
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Population Mean: σ unknown

Students calculate confidence intervals to estimate the true population mean when the standard deviation of the population is not known.
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    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
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    TI-84 Plus CE Family
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How Far Am I Off?

Students calculate a confidence interval using the chi-square distribution to estimate a population variance.
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    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
  • ax-icon-color-device
    TI-84 Plus CE Family
Download8,959
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Means With Confidence

Students estimate the true mean of a population when the standard deviation is known by finding the sample mean, margin of error and confidence interval.
  • ax-icon-color-device
    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
  • ax-icon-color-device
    TI-84 Plus CE Family
Download9,997